6.7=5.2x+12.3?? help please

Suppose investors can earn a return of 2% per 6 months on a treasury note with 6 months remaining until maturity. the face value of the t-bill is $10,000. what price would you expect a 6-month maturity treasury bill to sell for? (round your answer to 2 decimal places. omit the "$" sign in your response.)

What is the relationship between all triangles that can be drawn given the same three angles

What is the product? a-3/15a × 5/a-3